What does Macbeth’s interaction with the murderers in Act III Scene (iii), reveal about his…

What does Macbeth’s interaction with the murderers in Act III Scene (iii), reveal about his character and state of mind? Write your answer in about 150 words incorporating the following details. • The manner in which Macbeth instigates and manipulates the murderers against Banquo. • The way the gradual decline of his character is delineated.